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    Novel polyvinyl alcohol and process for producing polyvinyl alcohol by hydrolysis catalyzed by acids
    1.
    发明授权
    Novel polyvinyl alcohol and process for producing polyvinyl alcohol by hydrolysis catalyzed by acids 失效
    新型聚乙烯醇和通过酸催化的水解生产聚乙烯醇的方法

    公开(公告)号：US5047469A

    公开(公告)日：1991-09-10

    申请号：US307949

    申请日：1989-02-09

    申请人： Takanori Kitamura ,  Yuuji Takenouchi ,  Kunio Abe

    发明人： Takanori Kitamura ,  Yuuji Takenouchi ,  Kunio Abe

    IPC分类号： C08F8/12 ,  C08F16/00 ,  C08F16/06

    CPC分类号： C08F8/12

    摘要： The polyvinyl alcohol of the present invention is a partially saponified polyvinyl alcohol having a saponification degree of 70 to 98 mol % and containing a larger amount of methanol-soluble substances than that contained in polyvinyl alcohols having the same saponification degree obtained by known processes, and is novel.And, the process for producing polyvinyl alcohol of the present invention comprises saponifying polyvinyl esters in a solvent of a polyoxyalkylene ether having in the molecule thereof a structural unit represented by the general formula [I]:--O).sub.l (R.sup.1 --O).sub.m (R.sup.2 --O).sub.n [I]wherein R.sup.1 and R.sup.2 each represents an alkylene group having 2 to 5 carbon atoms in the main chain thereof, which may be substituted with a lower alkyl group or lower alkoxy group; l is an integer of 0 or 1; m and n each represents 0 or an integer of 1 to 10; and l+m+n.gtoreq.2; with the catalyst of an aliphatic or aromatic sulfonic acid at an elevated temperature in the presence of water. The process can produce polyvinyl alcohol having a higher saponification degree at a higher reaction rate than conventional hydrolysis processes catalyzed by acids.

    EVAPORATED FUEL GAS ADSORBENT, EVAPORATED FUEL GAS TRAPPING APPARATUS, ACTIVE CARBON AND PROCESS PRODUCING THE SAME
    3.
    发明申请
    EVAPORATED FUEL GAS ADSORBENT, EVAPORATED FUEL GAS TRAPPING APPARATUS, ACTIVE CARBON AND PROCESS PRODUCING THE SAME 有权
    蒸发燃料气体吸收剂，蒸发燃料气体捕集装置，活性炭及其生产方法

    公开(公告)号：US20090038477A1

    公开(公告)日：2009-02-12

    申请号：US11573989

    申请日：2005-08-25

    申请人： Susumu Abe ,  Shizuo Ishimura ,  Takanori Kitamura ,  Yoshifumi Egawa ,  Akira Miyake ,  Takayuki Yamada ,  Tetsuya Hanamoto

    发明人： Susumu Abe ,  Shizuo Ishimura ,  Takanori Kitamura ,  Yoshifumi Egawa ,  Akira Miyake ,  Takayuki Yamada ,  Tetsuya Hanamoto

    IPC分类号： F02M25/08 ,  B01D53/04 ,  B01J20/20 ,  C01B31/10

    CPC分类号： F02M25/0854 ,  B01D53/0407 ,  B01D53/0415 ,  B01D2253/102 ,  B01D2253/306 ,  B01D2253/308 ,  B01D2253/311 ,  B01D2257/704 ,  B01D2259/40086 ,  B01D2259/4516 ,  B01J20/20 ,  C01B32/336

    摘要： The present invention provides an evaporated fuel gas adsorbent, an evaporated fuel gas trapping apparatus that uses the adsorbent, an activated carbon, and a process for producing the activated carbon. The evaporated fuel gas adsorbent is capable of improving adsorptivity and desorptivity by reliably preventing a temperature rise and a temperature fall caused by heat generated in response to the adsorption and desorption of evaporated fuel gas, is capable of achieving a size reduction of the device, and is capable of being easily produced. The activated carbon has high mechanical strength and high abrasive resistance, has many pores suitable to adsorb an organic solvent, especially, evaporated fuel gas, and has a high packing density. The activated-carbon producing process is industrially advantageous. The evaporated fuel gas adsorbent comprises an adsorptive material and latent heat storage mediums including containers each of which is made of a flexible film and in each of which a substance that absorbs or releases heat in response to a phase change is encased. The activated carbon is characterized in that a specific surface area calculated by a BET method (multipoint method) in a nitrogen adsorption isotherm determined from a nitrogen adsorption amount at liquid nitrogen temperature is 1000 to 2500 m2/g, in that a half-value width of a D-band peak in the neighborhood of 1360 cm−1 in Raman spectroscopic analysis is 120 cm−1 or less, and in that a half-value width of a G-band peak in the neighborhood of 1580 cm−1 in Raman spectroscopic analysis is 100 cm−1 or less.

    摘要翻译： 本发明提供蒸发的燃料气体吸附剂，使用吸附剂的蒸发的燃料气体捕获装置，活性炭和生产活性炭的方法。 蒸发的燃料气体吸附剂能够通过可靠地防止由于蒸发的燃料气体的吸附和解吸而产生的热而导致的温度升高和温度下降，能够提高吸附性和解吸性，能够实现装置的尺寸减小， 能够容易地生产。 活性炭具有高的机械强度和高的耐磨性，具有适用于吸附有机溶剂，特别是蒸发的燃料气体的许多孔，并且具有高的堆积密度。 活性炭生产方法在工业上是有利的。 蒸发的燃料气体吸附剂包括吸附材料和潜热储存介质，其包括容器，每个容器均由柔性膜制成，并且其中包含响应于相变而吸收或释放热量的物质。 活性炭的特征在于，在氮气吸附量的氮吸附等温线中通过BET法（多点法）计算的比表面积为1000〜2500m 2 / g，半值宽度 在拉曼光谱分析中1360cm -1附近的D带峰的峰值为120cm -1以下，拉曼中1580cm -1附近的G带峰的半值宽度 光谱分析为100cm -1以下。

    Process for producing ethylene-vinyl ester copolymers, ethylene-vinyl alcohol copolymers, and process for producing shaped articles therefrom
    4.
    发明授权
    Process for producing ethylene-vinyl ester copolymers, ethylene-vinyl alcohol copolymers, and process for producing shaped articles therefrom 失效
    乙烯 - 乙烯基酯共聚物的制造方法，乙烯 - 乙烯醇共聚物及其制造成型制品的方法

    公开(公告)号：US5352750A

    公开(公告)日：1994-10-04

    申请号：US67990

    申请日：1993-05-27

    申请人： Hisamichi Yanai ,  Takanori Kitamura ,  Fumio Nakahara ,  Katsumi Shimizu ,  Akimasa Aoyama ,  Takeshi Moritani

    发明人： Hisamichi Yanai ,  Takanori Kitamura ,  Fumio Nakahara ,  Katsumi Shimizu ,  Akimasa Aoyama ,  Takeshi Moritani

    IPC分类号： C08F2/00 ,  C08F8/12 ,  C08F218/04

    CPC分类号： C08F218/04 ,  B29C47/00 ,  C08F8/12 ,  C08J5/18 ,  C08F2800/10

    摘要： Process for producing ethylene-vinyl ester copolymers using a polymerization solvent of a dialkyl sulfoxide (process X); process for producing ethylene-vinyl alcohol copolymer by liquid phase saponification using a solvent of a dialkyl sulfoxide (process Y); and process for producing shaped articles which comprises contacting the ethylene-vinyl alcohol copolymer obtained by the process Y, or that obtained by saponifying the ethylene-vinyl ester copolymer obtained by process X, to a non-solvent for ethylene-vinyl alcohol copolymer.Ethylene-vinyl ester copolymers having a wide range of ethylene content and higher degree of polymerization than that with solution polymerization using methanol.The rate of saponification is higher than that with single solvent system of lower alcohol.Production cost is low, because production process of polymer is directly connected to that of shaped articles utilizing the polymer.

    摘要翻译： 使用二烷基亚砜的聚合溶剂制备乙烯 - 乙烯基酯共聚物的方法（方法X）; 通过使用二烷基亚砜的溶剂进行液相皂化生产乙烯 - 乙烯醇共聚物的方法（方法Y）; 以及制造成型制品的方法，其包括将通过方法Y获得的乙烯 - 乙烯醇共聚物或通过将由方法X获得的乙烯 - 乙烯基酯共聚物皂化而获得的乙烯 - 乙烯醇共聚物与乙烯 - 乙烯醇共聚物的非溶剂接触。 乙烯 - 乙烯基酯共聚物的乙烯含量范围宽，聚合度高于使用甲醇的溶液聚合。 皂化率高于单一溶剂体系的低级醇。 生产成本低，因为聚合物的生产过程直接与使用聚合物的成型制品相连。

    MATERIAL FOR SPEAKER DEVICE AND A SPEAKER DEVICE USING IT
    6.
    发明申请
    MATERIAL FOR SPEAKER DEVICE AND A SPEAKER DEVICE USING IT 有权
    扬声器设备的材料和使用它的扬声器设备

    公开(公告)号：US20100074463A1

    公开(公告)日：2010-03-25

    申请号：US12442134

    申请日：2008-07-04

    申请人： Yoshiharu Fukunishi ,  Takanori Kitamura ,  Kengo Tabata ,  Toshiyuki Matsumura ,  Shuji Saiki ,  Yoshimichi Kajihara ,  Satoshi Koura

    发明人： Yoshiharu Fukunishi ,  Takanori Kitamura ,  Kengo Tabata ,  Toshiyuki Matsumura ,  Shuji Saiki ,  Yoshimichi Kajihara ,  Satoshi Koura

    IPC分类号： H04R1/02 ,  C01B31/08

    CPC分类号： H04R1/2803

    摘要： A material for improving the sound pressure level at the bass reproduction limit of the present invention is composed of an activated carbon having a cumulative pore volume of 0.4 ml/g or more for the pores each having a radius of 50 angstroms or less. Preferably, this activated carbon has a cumulative pore volume of 0.1 ml/g or less for the pores each having a radius of 7 angstroms or less. In particular, when a sound pressure level improving material in which the activated carbon has a cumulative pore volume of 0.5 ml/g or more for the pores each having a radius of 18 angstroms or less is installed in a cabinet of a loudspeaker device, the material alleviates pressure fluctuations of a gas within the cabinet caused by vibration of a loudspeaker, and thus a very good bass reproduction effect is attained. Moreover, in the case where a sound pressure level improving material in which the activated carbon has a cumulative pore volume of 0.4 ml/g or more for the pores each having a radius of 18 to 50 angstroms is installed in the cabinet, a loudspeaker device having a good bass reproduction effect even in an atmosphere of high humidity is obtained.

    摘要翻译： 用于改善本发明的低音繁殖极限处的声压级的材料由具有50埃半径的孔的累积孔体积为0.4ml / g以上的活性炭构成。 优选地，对于每个半径为7埃或更小的孔，该活性炭的累积孔体积为0.1ml / g以下。 特别是，在扬声器装置的机壳中安装有对于半径为18埃以下的孔的活性炭的累积孔体积为0.5ml / g以上的声压级改善材料时， 材料减轻由扬声器的振动引起的机柜内的气体的压力波动，从而获得非常好的低音再现效果。 此外，在机壳中安装有对于半径为18〜50埃的孔的活性炭的累积孔体积为0.4ml / g以上的声压级改善材料的情况下，扬声器装置 即使在高湿度的气氛中也能获得良好的低音再现效果。

    Method of producing L-phenylalanine
    7.
    发明授权
    Method of producing L-phenylalanine 失效
    生产L-苯丙氨酸的方法

    公开(公告)号：US4743547A

    公开(公告)日：1988-05-10

    申请号：US849859

    申请日：1986-04-09

    申请人： Takanori Kitamura ,  Yoichi Matsumoto ,  Noriaki Yoshimura

    发明人： Takanori Kitamura ,  Yoichi Matsumoto ,  Noriaki Yoshimura

    IPC分类号： C12P13/22 ,  C12P41/00

    CPC分类号： C12P41/00 ,  C12P13/222

    摘要： There is provided a method of producing L-phenylalanine in high optical purity which comprises treating an N-acylphenylalanine alkyl ester in L form, in the presence of water, with an enzyme capable of hydrolyzing the N-acylphenylalanine alkyl ester in L form to give L-phenylalanine.

    摘要翻译： 提供了一种以高光学纯度生产L-苯丙氨酸的方法，其包括在水存在下用能够水解L-形式的N-酰基苯丙氨酸烷基酯的酶处理L-形式的N-酰基苯丙氨酸烷基酯，得到 L-苯丙氨酸。

    Process for producing methyl lactate
    8.
    发明授权
    Process for producing methyl lactate 失效
    生产乳酸甲酯的方法

    公开(公告)号：US4500727A

    公开(公告)日：1985-02-19

    申请号：US359414

    申请日：1982-03-18

    申请人： Takanori Kitamura ,  Mitsuo Matsumoto ,  Masuhiko Tamura

    发明人： Takanori Kitamura ,  Mitsuo Matsumoto ,  Masuhiko Tamura

    IPC分类号： C07C67/03 ,  C07C69/14 ,  C07C69/24 ,  C07C69/68

    CPC分类号： C07C67/293 ,  C07C67/03 ,  C07C67/29 ,  C07C67/30 ,  Y02P20/584

    摘要： A process for producing methyl lactate by (I) hydroformylating vinyl acetate or vinyl propionate with a gaseous mixture of hydrogen and carbon monoxide in an organic solvent in the presence of a substantially water-insoluble rhodium complex and a tri-substituted phosphine to form .alpha.-acetoxy- or propionyloxy-propionaldehyde, (II) subjecting at least part of the reaction mixture obtained in step (I) to extraction with an aqueous medium to obtain an aqueous layer containing .alpha.-acetoxy- or propionyloxy-propionaldehyde and an extraction residue containing the catalyst components, and recycling the extraction residue to the hydroformylation step (I), (III) separating .alpha.-acetoxy- or propionyloxy-propionaldehyde from the aqueous layer containing the same as obtained in step (II), (IV) oxidizing .alpha.-acetoxy- or propionyloxy-propionaldehyde obtained in step (III) in the liquid phase with oxygen gas or an oxygen-containing gas in the presence of an oxidation catalyst to form .alpha.-acetoxy- or propionyloxy-propionic acid, and (V) reacting .alpha.-acetoxy- or propionyloxy-propionic acid obtained in step (IV) with methanol in the presence of an acid catalyst, and recovering the resultant methyl lactate by distillation.

    摘要翻译： （I）在有机溶剂中，在基本上不溶于水的铑络合物和三取代的膦存在下，通过（I）在氢气和一氧化碳的气体混合物中将乙酸乙烯酯或丙酸乙烯酯加氢甲酰化以生产甲酸乳酸的方法， 乙酰氧基 - 或丙酰氧基 - 丙醛，（II）使步骤（I）中获得的反应混合物的至少一部分用水性介质萃取，得到含有α-乙酰氧基或丙酰氧基丙醛的水层和含有 催化剂组分，并将提取残余物循环到加氢甲酰化步骤（I）中，（III）从含有与步骤（II）中获得的相同的水层分离α-乙酰氧基或丙酰氧基丙醛，（IV）氧化α-乙酰氧基 - 或步骤（III）中获得的丙酰氧基 - 丙醛在氧气或含氧气体的液相中，在氧化催化剂存在下形成α - 乙酰氧基 - 或丙酰氧基 - 丙酸，和（V）使在步骤（IV）中获得的α-乙酰氧基 - 或丙酰氧基 - 丙酸与甲醇在酸催化剂存在下反应，并通过蒸馏回收得到的乳酸甲酯。